Granted Patent
Utility
US 4,895,452 · App. 07/163,806
Method and apparatus for producing lipid vesicles
Inventors:
Costas Yiournas, Donald F. H. Wallach
Patented Case
View Patent ↗
Granted: Jan 23, 1990
Filed: Mar 3, 1988
Inventors
Costas Yiournas
Donald F. H. Wallach
Assignee (at issue)
Micro-Pak, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.